Sony HW-HD5 Service Manual page 12

NW-HD5
5. Press the key, "START" is displayed. Then automatically
u
reboot (DC power supply state) or sleep (battery power supply
state).
LCD display
START
6. After step 5, narrowing-down screen "Artist" is checked and
enter the test mode.
Audio test mode (5-2-1 to 5-2-9) is performed in this state.
5-2-1. Output check
"1 kHz 0 dBs L-ch/R-ch VOLUME: 27" audio signal is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the [>] key to display major item, and press the [E] [e]
key to select the "AUDIO".
LCD display
AUDIO
3. Press the [>] key to display minor item, and press the [E] [e]
key to select the "OUTPUT".
LCD display
OUTPUT
4. Press the key, "START" is displayed and "1 kHz 0 dBs
u
L-ch/R-ch VOLUME: 27" audio signal is outputted. In this state,
each time [SEARCH/ MENU]
z
switch is performed.
LCD display
START
5. Press the key, return to minor item selection screen.
x
5-2-2. S/N check
"Infinity Zero VOLUME: 27" audio signal is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the [>] key to display major item, and press the [E] [e]
key to select the "AUDIO".
LCD display
AUDIO
3. Press the [>] key to display minor item, and press the [E] [e]
key to select the "SN".
LCD display
SN
4. Press the key, "START" is displayed and "Infinity Zero
u
VOLUME: 27" audio signal is outputted.
LCD display
START
5. Press the key, return to minor item selection screen.
x
12
key is pressed, MUTE ON/OFF
5-2-3. Frequency characteristic check
"20 Hz/20 kHz/100 Hz/10 kHz 0 dBs L-ch/R-ch VOLUME: 27"
audio signal is outputted.
Checking method:
1. Enter the audio test mode.
2. Press the [>] key to display major item, and press the [E] [e]
key to select the "AUDIO".
LCD display
AUDIO
3. Press the [>] key to display minor item, and press the [E] [e]
key to select the "F 1".
LCD display
F 1
4. Press the key, "START" is displayed and "20 Hz 0 dBs
u
L-ch/R-ch VOLUME: 27" audio signal is outputted.
LCD display
START
5. Press the key, return to minor item selection screen.
x
6. Press the [E] [e] key to select the "F 2".
LCD display
F 2
7. Press the key, "START" is displayed and "20 kHz 0 dBs
u
L-ch/R-ch VOLUME: 27" audio signal is outputted.
LCD display
START
8. Press the key, return to minor item selection screen.
x
9. Press the [E] [e] key to select the "F 3".
LCD display
F 3
10. Press the key, "START" is displayed and "100 Hz 0 dBs
u
L-ch/R-ch VOLUME: 27" audio signal is outputted.
LCD display
START
11. Press the key, return to minor item selection screen.
x
12. Press the [E] [e] key to select the "F 4".
LCD display
F 4
13. Press the key, "START" is displayed and "10 kHz 0 dBs
u
L-ch/R-ch VOLUME: 27" audio signal is outputted.
LCD display
START
14. Press the key, return to minor item selection screen.
x